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Pleiospilos nelii (Cleftstone)

Skill rating
skill rating
Maintenance level
1 hour care
per year
Ultimate height
Max height
Ultimate spread
Max spread
Time to maturity
5-10 years
To maturity

Botanical name: Pleiospilos nelii

Other names: Cleftstone, Splitrock , Split rock plant, Mimicry plant, Liver plant, Living rock, Living granite

Genus: Pleiospilos

Species: P. nelii - P. nelii is a tender, clump-forming, stemless perennial succulent with up to three pairs of thick, fleshy, unequal, globe-shaped, dotted, grey-green leaves and solitary, pink-flushed, orange flowers in late summer and early autumn.

Pleiospilos nelii is: Evergreen

Flower: Orange, Flushed pink in Spring; Pink, Orange in Summer; Orange, Orange, Flushed pink, Pink in Autumn

Habit: Clump-forming, Compact, Dense

Awards: RHS AGM (Award of Garden Merit)

Watch out for

Pests: Generally pest-free

Diseases: Vulnerable to chlorosis resulting from magnesium deficiency.

General care

Propagation methods: Offsets, Seed. REGISTER to

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Pleiospilos nelii (Cleftstone) will reach a height of 0.07m and a spread of 0.1m after 5-10 years.

Suggested uses: Conservatory, Containers, Drought Tolerant, Indoor, Low Maintenance, Mediterranean

Cultivation: Under glass, grow in cactus compost in bright, filtered light. Water sparingly but regularly in growth and feed every 2 to 3 weeks with a low nitrogen fertiliser. Keep dry when dormant. Outdoors, grow in poor, sharply-drained soil in full sun.

Soil type: Loamy, Sandy

Soil drainage: Well-drained

Soil pH: Acid, Alkaline, Neutral

Light: Full Sun

Aspect: North, South, East, West

Exposure: Sheltered

Hardiness: Indoor heated (H1), Tender in frost (H3)

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